<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>瀑布流布局-column</title>
  <style>
    .box {
          margin: 10px;
          column-count: 3;
          column-gap: 10px;
      }
      .item {
          margin-bottom: 10px;
      }
      .item img{
          width: 100%;
          height:100%;
      }
  </style>
</head>
<body>
  <div class="box">
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
  </div>
</body>
</html>